Filtration tester

Measuring and testing – With fluid pressure – Porosity or permeability

Reexamination Certificate

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Reexamination Certificate

active

11080052

ABSTRACT:
A filtration tester has a scale, a collector disposed on the scale, a pump having an outlet aligned with an opening of the collector, and a force sensor connected to the pump.

REFERENCES:
patent: 4815313 (1989-03-01), Beard
patent: 4858127 (1989-08-01), Kron et al.
patent: 5685991 (1997-11-01), Degen et al.
patent: 6463790 (2002-10-01), Chun
patent: 6883958 (2005-04-01), Mayer
patent: 7040512 (2006-05-01), Tanny et al.
patent: 7117901 (2006-10-01), Martinell Gisper-Sauch et al.
patent: 2003/0100125 (2003-05-01), Pressman et al.
patent: 2004/0174405 (2004-09-01), Adachi et al.
patent: 2004/0206179 (2004-10-01), Kamiyama
patent: 477973 (1992-04-01), None

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